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SubjectRe: [PATCH] vfio_pci: set TRACE_INCLUDE_PATH to fix the build error
On Tue,  8 Jan 2019 12:08:03 +0900
Masahiro Yamada <yamada.masahiro@socionext.com> wrote:

> drivers/vfio/pci/vfio_pci_nvlink2.c cannot be compiled for in-tree
> building.
>
> CC drivers/vfio/pci/vfio_pci_nvlink2.o
> In file included from drivers/vfio/pci/trace.h:102,
> from drivers/vfio/pci/vfio_pci_nvlink2.c:29:
> ./include/trace/define_trace.h:89:42: fatal error: ./trace.h: No such file or directory
> #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
> ^
> compilation terminated.
> make[1]: *** [scripts/Makefile.build;277: drivers/vfio/pci/vfio_pci_nvlink2.o] Error 1
>
> To fix the build error, let's tell include/trace/define_trace.h the
> location of drivers/vfio/pci/trace.h
>
> Fixes: 7f92891778df ("vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver")
> Reported-by: Laura Abbott <labbott@redhat.com>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---

Thanks for posting this, it's my preferred fix. I'll give it another
day to collect reviews/objections then pop it into my for-linus branch
for rc2. Thanks!

Alex

> drivers/vfio/pci/trace.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vfio/pci/trace.h b/drivers/vfio/pci/trace.h
> index 228ccdb..4d13e51 100644
> --- a/drivers/vfio/pci/trace.h
> +++ b/drivers/vfio/pci/trace.h
> @@ -94,7 +94,7 @@ TRACE_EVENT(vfio_pci_npu2_mmap,
> #endif /* _TRACE_VFIO_PCI_H */
>
> #undef TRACE_INCLUDE_PATH
> -#define TRACE_INCLUDE_PATH .
> +#define TRACE_INCLUDE_PATH ../../drivers/vfio/pci
> #undef TRACE_INCLUDE_FILE
> #define TRACE_INCLUDE_FILE trace
>

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